HP xw4200 - Manual (Page 38)

Troubleshooting 30
Diagnostic Lights and Audible (Beep) Codes
This section covers the front panel light (LED) error and operation codes as well as the audible codes that
may occur before or during the Power-On Self-Test (POST).
Table 4-13 Diagnostic Lights and Audible Codes
Activity Beeps Possible Cause Recommended Action
Green Power LED On. None Workstation on. None
Green Power LED blinks every
two seconds.**
None Workstation in Suspend to RAM
mode (select models only) or
normal Suspend mode.
None
Green Power LED is off.** None Workstation in Suspend
to Disk or “Hibernate” mode.
None
Green Power LED blinks three
times, once per second.**
None Workstation in Suspend to RAM
mode (select models only) or
normal Suspend mode.
None
Green Power LED blinks four
times, once per second.**
None Workstation in Suspend
to Disk or “Hibernate” mode.
None
NOTE: **When the Unique Sleep State Blink Rates is disabled in Computer Setup (F10), these reflexes are
observed on the green power LED.
NOTE: For the following LED activity and beeps, the beeps will be heard through the on–board speaker and not the
chassis speaker. Blinks and beeps will be repeated for 5 cycles, after that, only the blinks will continue to repeat.
Red Power LED blinks two
times, once every second,
followed by a two- second
pause.
2 (only on
xw4200
and
xw9300)
Processor thermal protection
activated:
A fan may be blocked or not
turning.
OR
The heatsink/fan assembly is not
properly attached to the
processor.
1. Ensure that the workstation air
vents are not blocked and the
cooling fan is running.
2. Open hood, press power button,
and see if the processor fan spins.
If the processor fan is not
spinning, make sure the fan's
cable is plugged onto the system
board header. Ensure the fan is
fully/properly seated or installed.
3. If fan is plugged in and seated
properly, but is not spinning, then
replace processor fan.
4. Reseat processor heatsink and
verify that fan assembly is
properly attached.
5. Contact an authorized reseller or
service provider.
Red Power LED blinks three
times, once every second,
followed by a two- second
pause.
3 (only on
xw4200
and
xw9300)
Processor not installed (not an
indicator of bad processor).
1. Check to see that the processor is
present.
2. Reseat the processor.